RaspberryPi＋WEBカメラで入退室時にゆかり様にお疲れ様ですと 改良版 - 動かざることバグの如し

動体検知をOpenCVで実装するしかないな（ # -*- coding: utf-8 -*- import cv2 import numpy as np import time import commands DURATION = 1.0 #取得する画像の解像度 WIDTH = 320 HEIGHT = 240 camera = cv2.VideoCapture(0) camera.set(3, WIDTH) camera.set(4, HEIGHT) camera.set(5, 15)# FPS retval, frame = camera.read() hist_32 = np.zeros((HEIGHT, WIDTH), np.float32) frame_pre = frame while(camera.isOpened()): retval, frame = camera.rea